Supply Ventilator Centrifugal Belt Drive With Drive Package Wheel Dia 13-1/4 In. CFM @ 0.125-In. SP 2254 Sones @ 0.250-In. SP @ 5 ft 12.8 Mounting Location Wall or Roof Housing Height 34-1/2 In. Housing Length 34-1/2 In. Housing Width 64-1/2 In. Base Width 32-1/2 In. Base Length 32-1/2 In. Max Inlet Temp 120 Deg. F Voltage 115/208-230 1 Phase 60 Hz Motor HP 1/3 Requires Roof Curb for New Installations Includes Washable Aluminum Filters and Drive Package